About this preparation
Math diagnostic test, Grade 4: Addition and subtraction. 10 questions with answers and explanations. Topics: Addition and subtraction, Multiplication and division, Fractions, Place value, Word problems. Duration: 20 min.
Diagnostic tasks
Below is the full list of tasks with correct answers and explanations. In a lesson the tutor can hide the answers and reveal them after the student tries.
1
What is 4,582 + 1,739?
6,221
6,311
5,321
6,421
Explanation: Add the numbers by place value: 4,582 + 1,739 = 6,321? Wait carefully: 2+9=11, carry 1; 8+3+1=12, carry 1; 5+7+1=13, carry 1; 4+1+1=6. The correct sum is 6,321.
2
What is 900 - 476?
424
434
524
414
Explanation: Subtract by place value: 900 - 476 = 424.
3
What is 7 × 6?
36
42
48
56
Explanation: 7 groups of 6 equals 42.
4
What is 56 ÷ 8?
6
7
8
9
Explanation: 56 split into 8 equal groups gives 7 in each group.
5
Which fraction is equal to one-half?
1/3
2/4
3/5
2/5
Explanation: Two out of four equal parts is the same as one-half.
6
Which number has 6 hundreds, 3 tens, and 8 ones?
638
683
368
603
Explanation: 6 hundreds = 600, 3 tens = 30, and 8 ones = 8. Total = 638.
7
A pencil costs $3. If you buy 4 pencils, how much do you pay?
$7
$12
$14
$16
Explanation: Multiply the cost of one pencil by 4: 3 × 4 = 12.
8
Which number is greatest?
405
450
4050
445
Explanation: Compare the numbers by place value. 450 is greater than 445, 405, and 4050 is much larger, so check carefully: the greatest is 4050. The correct option should be 4050.
9
What is 3/4 of 20?
5
10
15
18
Explanation: Find one-fourth of 20, which is 5, then multiply by 3: 5 × 3 = 15.
10
Mia read 18 pages on Monday and 27 pages on Tuesday. How many pages did she read in all?
35
44
45
46
Explanation: Add the pages: 18 + 27 = 45. The correct answer is 45.
